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LEARN MORE ABOUT .idIn 2021, the largest age group in Gosford City was 60 to 64 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 5,237 people.
The Age Structure of Gosford City provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Gosford City's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Gosford City's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Gosford City - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Tuggerah - Mardi % | Number | % | Tuggerah - Mardi % | 2001 to 2021 |
| 0 to 4 | 9,411 | 5.3 | 5.9 | 10,072 | 6.5 | 10.4 | -661 |
| 5 to 9 | 10,672 | 6.0 | 6.7 | 11,340 | 7.4 | 9.5 | -668 |
| 10 to 14 | 11,131 | 6.3 | 7.0 | 11,454 | 7.4 | 6.4 | -323 |
| 15 to 19 | 10,231 | 5.8 | 7.1 | 10,162 | 6.6 | 6.1 | +69 |
| 20 to 24 | 9,040 | 5.1 | 6.8 | 7,743 | 5.0 | 6.1 | +1,297 |
| 25 to 29 | 8,657 | 4.9 | 5.9 | 8,443 | 5.5 | 9.2 | +214 |
| 30 to 34 | 9,610 | 5.4 | 6.9 | 9,680 | 6.3 | 8.9 | -70 |
| 35 to 39 | 10,683 | 6.0 | 6.2 | 11,244 | 7.3 | 8.9 | -561 |
| 40 to 44 | 10,961 | 6.2 | 6.1 | 11,881 | 7.7 | 6.5 | -920 |
| 45 to 49 | 11,602 | 6.5 | 6.9 | 10,767 | 7.0 | 6.0 | +835 |
| 50 to 54 | 11,659 | 6.6 | 7.4 | 9,820 | 6.4 | 4.8 | +1,839 |
| 55 to 59 | 11,736 | 6.6 | 6.3 | 7,930 | 5.1 | 4.1 | +3,806 |
| 60 to 64 | 11,795 | 6.6 | 5.6 | 6,558 | 4.3 | 3.1 | +5,237 |
| 65 to 69 | 10,754 | 6.1 | 4.4 | 6,257 | 4.1 | 2.5 | +4,497 |
| 70 to 74 | 10,447 | 5.9 | 4.1 | 6,852 | 4.4 | 3.1 | +3,595 |
| 75 to 79 | 7,982 | 4.5 | 2.8 | 6,363 | 4.1 | 2.0 | +1,619 |
| 80 to 84 | 5,486 | 3.1 | 2.4 | 4,448 | 2.9 | 1.4 | +1,038 |
| 85 and over | 5,732 | 3.2 | 1.5 | 3,031 | 2.0 | 1.0 | +2,701 |
| Total population | 177,589 | 100.0 | 100.0 | 154,045 | 100.0 | 100.0 | +23,544 |
Dominant groups
Analysis of the five year age groups of Gosford City in 2021 compared to Tuggerah - Mardi shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 17.6% of the population was aged between 0 and 15, and 22.7% were aged 65 years and over, compared with 19.6% and 15.2% respectively for Tuggerah - Mardi.
The major differences between the age structure of Gosford City and Tuggerah - Mardi were:
- A larger percentage of persons aged 70 to 74 (5.9% compared to 4.1%)
- A larger percentage of persons aged 85 and over (3.2% compared to 1.5%)
- A larger percentage of persons aged 65 to 69 (6.1% compared to 4.4%)
- A smaller percentage of persons aged 20 to 24 (5.1% compared to 6.8%)
Emerging groups
From 2001 to 2021, Gosford City's population increased by 23,544 people (15.3%). This represents an average annual population change of 0.71% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 60 to 64 (+5,237 persons)
- 65 to 69 (+4,497 persons)
- 55 to 59 (+3,806 persons)
- 70 to 74 (+3,595 persons)
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